Base | Representation |
---|---|
bin | 101011001000011… |
… | …0000001010010001 |
3 | 10201212020000021120 |
4 | 1112100300022101 |
5 | 10430442412040 |
6 | 355335112453 |
7 | 50602161462 |
oct | 12620601221 |
9 | 3655200246 |
10 | 1447232145 |
11 | 682a19a27 |
12 | 344812729 |
13 | 1a0aa80a8 |
14 | da2c8d69 |
15 | 870c47d0 |
hex | 56430291 |
1447232145 has 16 divisors (see below), whose sum is σ = 2372049792. Its totient is φ = 753031040.
The previous prime is 1447232119. The next prime is 1447232159. The reversal of 1447232145 is 5412327441.
It is not a de Polignac number, because 1447232145 - 25 = 1447232113 is a prime.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1175997 + ... + 1177226.
It is an arithmetic number, because the mean of its divisors is an integer number (148253112).
Almost surely, 21447232145 is an apocalyptic number.
1447232145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1447232145 is a deficient number, since it is larger than the sum of its proper divisors (924817647).
1447232145 is a wasteful number, since it uses less digits than its factorization.
1447232145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2353272.
The product of its digits is 26880, while the sum is 33.
The square root of 1447232145 is about 38042.5044522571. The cubic root of 1447232145 is about 1131.1305533254.
Adding to 1447232145 its reverse (5412327441), we get a palindrome (6859559586).
The spelling of 1447232145 in words is "one billion, four hundred forty-seven million, two hundred thirty-two thousand, one hundred forty-five".
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